Determine function 2

What is the most accurate definition of function?

• Has inputs and outputs

• Every input has exactly one output

• Inputs have different outputs every time

• x-values and y-values

Is this table a function or not a function?

• yes, it is a function

• no, it is not a function

Answer explanation

Every input has exactly one output

Is this table a function or not a function?

• Function

• Not a Function

Answer explanation

The input of 3 has more than one output (1 and 6)

Is this table a function or not a function?

• Function

• Not a Function

Answer explanation

Every input has exactly one output.

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Answer explanation

Every input within this set of ordered pairs has exactly one output. This is NOT the case for any other options.

Does this set of values represent a function?

• yes, it is a function

• no, it is not a function

Answer explanation

Every input has exactly one output.

Does this set of values represent a function?

• Yes, it is a Function

• No, it is not a Function

Answer explanation

Every input has exactly one output.

Is this graph a function or not a function?

• Function

• Not a Function

Answer explanation

It fails the "vertical line test", which means at least one input has more than one output.

Is this graph a function or not a function?

• Function

• Not a function

Answer explanation

It fails the "vertical line test", which means at least one input has more than one output.

Is this mapping a function or not a function?

• Function

• Not a Function

Answer explanation

At least one input (left grouping) maps to more than one output (right grouping).